Drum brake anchor assembly

Details Drum brake anchor assembly Drum brake anchor assembly

1981-09-14

1984-02-07

Butler, Douglas C.

Brakes

Wheel

Transversely movable

188331, 188341, 188342, 188206A, F16D 5124, F16D 5152

Patent

active

044297726

ABSTRACT:
A drum brake assembly includes a pair of brake shoes (16, 18) which are movable by a hydraulic actuator (14) to a braking position. A parking brake lever assembly (24) is operable to also move the pair of brake shoes to the braking position. An anchor assembly (40) is attached to a backing plate (12) and is engageable with the pair of brake shoes to either absorb braking torque during a service brake application, or impart movement from one brake shoe to the other during a parking brake application. The anchor assembly includes a connecting member (44) engageable with the pair of brake shoes and rotatable in response to operation of the parking brake lever assembly to a released position on the anchor assembly (40).

REFERENCES:
patent: 2111503 (1938-03-01), Axtmann
patent: 2775315 (1956-12-01), Maruhn et al.
patent: 3870131 (1975-03-01), Firth et al.
patent: 3951243 (1976-04-01), Chonings
patent: 4249646 (1981-02-01), Roberts
patent: 4336867 (1982-06-01), Woo
patent: 4353441 (1982-10-01), Roberts
patent: 4364456 (1982-12-01), Colpaert

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